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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0150009 , Copiah-New Zion Water Assn,inc

41 of the 75 analytes this system has been tested for have been detected at least once, across 592 samples on record.

An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 592 samples on record, detections range from November 11, 1993 to April 20, 2026. These figures cover the whole record; the list of samples further down is narrowed.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Copiah-New Zion Water Assn,inc, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 184 of 215 results Nov 11, 1993 Aug 22, 2024
Lead 1030 Inorganic Chemical 154 of 215 results Nov 11, 1993 Aug 22, 2024
Fluoride 1025 Inorganic Chemical 52 of 52 results Sep 8, 2003 Dec 1, 2025
Barium 1010 Inorganic Chemical 49 of 49 results Sep 8, 2003 Dec 1, 2025
TTHM 2950 Organic Chemical 19 of 24 results May 17, 2004 Apr 20, 2026
Chromium 1020 Inorganic Chemical 18 of 49 results Mar 2, 2005 Feb 5, 2025
Sodium 1052 Inorganic Chemical 18 of 18 results Jul 31, 2008 Oct 21, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 15 of 22 results May 17, 2004 Apr 29, 2025
Dibromochloromethane 2944 Organic Chemical 12 of 17 results Sep 14, 2006 Apr 20, 2026
Chloroform 2941 Organic Chemical 11 of 17 results Sep 14, 2006 Apr 20, 2026
Bromodichloromethane 2943 Organic Chemical 11 of 17 results Sep 14, 2006 Apr 20, 2026
Sulfate 1055 Inorganic Chemical 11 of 11 results Sep 8, 2003 Jul 31, 2008
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 6, 2012 Oct 5, 2012
Selenium 1045 Inorganic Chemical 10 of 49 results Sep 8, 2003 Mar 26, 2008
Nickel 1036 Inorganic Chemical 9 of 49 results Mar 26, 2008 Apr 16, 2014
Gross Alpha Particle Activity 4109 Radionuclide 8 of 12 results Aug 22, 2011 Apr 3, 2012
Cadmium 1015 Inorganic Chemical 8 of 49 results Mar 2, 2005 Jan 25, 2006
Dichloroacetic Acid 2451 Organic Chemical 7 of 13 results Jun 14, 2011 Apr 29, 2025
Trichloroacetic Acid 2452 Organic Chemical 7 of 13 results Jun 14, 2011 Apr 29, 2025
Xylenes, Total 2955 Organic Chemical 6 of 83 results Jul 17, 2012 Apr 6, 2020
Calcium 1016 Inorganic Chemical 3 of 3 results Jul 31, 2008 Jul 31, 2008
Manganese 1032 Inorganic Chemical 3 of 3 results Jul 31, 2008 Jul 31, 2008
Potassium 1042 Inorganic Chemical 3 of 3 results Jul 31, 2008 Jul 31, 2008
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Carbon Dioxide 1901 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Color 1905 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
PH 1925 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Alkalinity, Total 1927 Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Jul 31, 2008 Jul 31, 2008
Calculated Sodium NACA Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
PH, Field Result PHFD Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Temperature, Field Result TEMP Water Quality 3 of 3 results Jul 31, 2008 Jul 31, 2008
Arsenic 1005 Inorganic Chemical 2 of 49 results Sep 8, 2003 May 11, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 13 results Apr 20, 2020 Apr 20, 2020
Ethylbenzene 2992 Organic Chemical 1 of 83 results Sep 17, 2018 Sep 17, 2018
Iron 1028 Inorganic Chemical 1 of 3 results Jul 31, 2008 Jul 31, 2008
Magnesium 1031 Inorganic Chemical 1 of 3 results Jul 31, 2008 Jul 31, 2008
Cyanide 1024 Inorganic Chemical 1 of 46 results Mar 26, 2008 Mar 26, 2008
Nitrite 1041 Inorganic Chemical 1 of 104 results Aug 14, 2006 Aug 14, 2006

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 21–28 of 28 samples, newest first — collected October 21, 2024 to January 27, 2025. The summary above covers all 28.

14 results from the 8 samples listed here: 5 detected, 9 not detected. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for Copiah-New Zion Water Assn,inc, every result from 21 to 28 of 28 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jan 27, 2025 09:15
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-250128-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 09:15, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 09:15, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 09:15, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 27, 2025 08:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250128-015
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:45, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:45, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:45, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 27, 2025 08:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250128-014
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 21, 2024 09:50
Sampling point
TF105 Treatment TF105
Sample type
Routine
Lab sample
NA-241022-019
Laboratory
MSDH Lab
53.5 mg/l , sample collected Oct 21, 2024 09:50, sampling point TF105 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 21, 2024 10:15
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NA-241022-018
Laboratory
MSDH Lab
48.7 mg/l , sample collected Oct 21, 2024 10:15, sampling point TF104 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 21, 2024 10:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-241022-017
Laboratory
MSDH Lab
52.3 mg/l , sample collected Oct 21, 2024 10:30, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 21, 2024 11:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-241022-016
Laboratory
MSDH Lab
63.3 mg/l , sample collected Oct 21, 2024 11:00, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 21, 2024 11:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-241022-035
Laboratory
MSDH Lab
60.3 mg/l , sample collected Oct 21, 2024 11:40, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (8).